Jan 24, 2017
Accident
Substantial Fort Worth, TX
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The flight instructor's failure to prevent the engine/rotor overspeed condition during the demonstration maneuver and the excessive descent rate during the emergency landing, which resulted in a hard landing. Contributing to the engine/rotor overspeed condition was the flight instructor's failure to comply with the demonstration procedure.
NTSB CEN17LA188